You can purchase additional Crystals at the Bank by selecting the 'Bank' button in the top right-hand corner of the screen. You can also get Crystals by actions within the game :
- Completing the game tasks.
- Level up.
- Playing the game every day.
- Placing in the Top Ranking positions.
- Getting Achievement rewards.
- Completing the game tasks.
- Level up.
- Playing the game every day.
- Placing in the Top Ranking positions.
- Getting Achievement rewards.